1.	paths with spaces need to be escaped		Closed	Rajiv Mayani
2.	user facing class/function args shouldn't be prefixed with _ such as _id		Closed	Rajiv Mayani
3.	passing properties as str to Properties() can be error prone, add some preliminary checks before writing		Resolved	Ryan Tanaka (Inactive)
4.	add utility function to convert planner function args to arg list		Closed	Rajiv Mayani
5.	make it easier to add entries to the replica catalog by inferring site, lfn, pfn from file Path or URL		Closed	Rajiv Mayani
6.	improve parsing of value in Mixins._to_mb(value)		Resolved	Rajiv Mayani
7.	type check pfn in ReplicaCatalog.add_replica()		Resolved	Ryan Tanaka (Inactive)
8.	ensure that yaml is serialized in a deterministic manner		Closed	Rajiv Mayani